[2,6'-Bi-2H-1-benzopyran]-4(3H)-one,7-hydroxy-2',2'-dimethyl-8-(3-methyl-2-butenyl)-, (2S)- (9CI);[2,6'-Bi-2H-1-benzopyran]-4(3H)-one,7-hydroxy-2',2'-dimethyl-8-(3-methyl-2-butenyl)-, (S)-; Euchrenone a5
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